import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb  如果设置为noRedirect，则面包屑中不会重定向
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    noCache: true                if set true, the page will no be cached(default is false)
    affix: true                  if set true, the tag will affix in the tags-view //如果设置为true，标签将粘贴在标签视图中
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
// 基础router
const originalPush = Router.prototype.push
Router.prototype.push = function push(location) {
  return originalPush.call(this, location).catch(err => err)
}

// const originalPush = VueRouter.prototype.replace
// VueRouter.prototype.replace = function replace (location) {
//   return originalPush.call(this, location).catch(err => err)
// }
export const constantRoutes = [
  // 这个页面主要用于tagview 标签刷新定向的页面
  {
    path: '/redirect',
    component: Layout,
    hidden: true,
    children: [
      {
        path: '/redirect/:path(.*)',
        component: () => import('@/views/redirect/index')
      }
    ]
  },
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },
  {
    path: '/404',
    component: () => import('@/views/error-page/404'),
    hidden: true
  },
  {
    path: '/401',
    component: () => import('@/views/error-page/401'),
    hidden: true
  },
  {
    path: '/',
    component: Layout,
    redirect: '/home',
    children: [
      {
        path: 'home',
        component: () => import('@/views/dashboard/index'),
        name: 'Home',
        meta: { title: '首页', icon: 'dashboard', affix: true }
      }
    ]
  }

]

/**
 * asyncRoutes
 * the routes that need to be dynamically loaded based on user roles
 * 需要根据用户角色动态加载的路由
 */
// 异步路由
// @tags 默认不添加 roles: ['admin'] 直接认为有权限访问
// @tags 添加roles: ['admin'],父级路有权限,子级才会有
// @tags 添加roles: ['admin'],父级有权限啦，子级才会更具对应权限去匹配
export const asyncRoutes = [
  {
    path: '/permission',
    component: Layout,
    redirect: '/permission/page',
    alwaysShow: true, // will always show the root menu
    name: 'Permission',
    meta: {
      title: '权限管理',
      icon: 'quanxian'
      // roles: ['admin'] //
    },
    children: [{
      path: 'role',
      component: () => import('@/views/permission/role'),
      name: 'PermissonRole',
      meta: {
        title: '角色管理', icon: 'quanxian',
        roles: ['admin']
      }
    },
    {
      path: 'diretive',
      component: () => import('@/views/permission/directive'),
      name: 'PermisionDiretive',
      meta: {
        title: '指令权限', icon: 'quanxian',
        roles: ['admin']
      }
    },
    {
      path: 'page',
      component: () => import('@/views/permission/page'),
      name: 'PermisionPage',
      meta: {
        title: '页面权限', icon: 'quanxian',
        roles: ['admin', 'editor']
      }
    }
    ]
  },

  {
    path: '/tree',
    component: Layout,
    children: [
      {
        path: 'index',
        component: () => import('@/views/tree/index'),
        name: 'Tree',
        meta: {
          title: '树形结构', icon: 'user',
          roles: ['admin', 'editor']
        }
      }
    ]
  },

  {
    path: '/mycenter',
    component: Layout,
    redirect: '/mycenter/index',
    children: [
      {
        path: 'index',
        component: () => import('@/views/myCenter/index'),
        name: 'MyCenter',
        meta: { title: '个人中心', icon: 'user' }
      }
    ]
  },

  {
    path: '/richtext',
    component: Layout,
    redirect: '/richtext/wangeditor',
    meta: {
      title: '富文本管理',
      icon: 'user'
    },
    children: [
      {
        path: 'wangeditor',
        component: () => import('@/views/RichText/wangeditor'),
        name: 'wangeditor',
        meta: { title: 'wangeditor富文本', icon: 'fuwenben' }
      }
    ]
  },
  {
    path: '/excel',
    component: Layout,
    redirect: '/excel/index',
    children: [
      {
        path: 'index',
        component: () => import('@/views/Execl/index'),
        name: '表格管理',
        meta: { title: '表格管理', icon: 'biaoge' }
      }
    ]
  },

  // 404 page must be placed at the end !!!
  { path: '*', redirect: '/404', hidden: true }
]

const createRouter = () => new Router({
  // mode: 'history', // require service support
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRoutes
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
